Search Results - "Szente, Joseph J."

The Impact of Ethanol Fuel Blends on PM Emissions from a Light-Duty GDI Vehicle by Maricq, M. Matti, Szente, Joseph J., Jahr, Ken

“…This study explores the influence of ethanol on particulate matter (PM) emissions from gasoline direct injection (GDI) vehicles, a technology introduced to…”
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Soot size distributions in rich premixed ethylene flames by Maricq, M.Matti, Harris, Stephen J., Szente, Joseph J.

“…Electrical mobility measurements of the soot particles generated in rich premixed ethylene/air flat flames reveal a characteristic lognormal size distribution…”
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Dimethyl Ether Oxidation at Elevated Temperatures (295−600 K) by Rosado-Reyes, Claudette M, Francisco, Joseph S, Szente, Joseph J, Maricq, M. Matti, Frøsig Østergaard, Lars

“…Dimethyl ether (DME) has been proposed for use as an alternative fuel or additive in diesel engines and as a potential fuel in solid oxide fuel cells. The…”
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Influence of Mileage Accumulation on the Particle Mass and Number Emissions of Two Gasoline Direct Injection Vehicles by Maricq, M. Matti, Szente, Joseph J, Adams, Jack, Tennison, Paul, Rumpsa, Todd

“…Gasoline direct injection (GDI) is a new engine technology intended to improve fuel economy and greenhouse gas emissions as required by recently enacted…”
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How well can aerosol instruments measure particulate mass and solid particle number in engine exhaust? by Maricq, M. Matti, Szente, Joseph J., Harwell, Amy L., Loos, Michael J.

“…Aerosol instruments provide more informative engine exhaust particulate matter (PM) data than the gravimetric filter and solid particle number methods…”
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Kinetics and Mechanism of the Acetylperoxy + HO2 Reaction by Crawford, Mary A, Wallington, Timothy J, Szente, Joseph J, Maricq, M. Matti, Francisco, Joseph S

“…The reaction of HO2 with CH3C(O)O2 is examined using flash photolysis and FTIR smog chamber techniques. Time-resolved UV spectroscopy is used to follow the…”
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The Effects of Water Vapor on the CH3O2 Self-Reaction and Reaction with HO2 by English, Alecia M, Hansen, Jaron C, Szente, Joseph J, Maricq, M. Matti

“…The gas phase reactions of CH3O2 + CH3O2, HO2 + HO2, and CH3O2 + HO2 in the presence of water vapor have been studied at temperatures between 263 and 303 K…”
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Kinetics of the Reaction between Cyclopentylperoxy Radicals and HO2 by Crawford, Mary A, Szente, Joseph J, Maricq, M. Matti, Francisco, Joseph S

“…The techniques of time-resolved UV spectroscopy and transient IR absorption are used to examine the kinetics of the c-C5H9O2 + HO2 reaction over the…”
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Kinetic Studies of the Oxidation of Dimethyl Ether and Its Chain Reaction with Cl2 by Maricq, M. Matti, Szente, Joseph J, Hybl, John D

“…The reaction between dimethyl ether radicals and molecular oxygen proceeds along two distinct pathways at temperatures between 230 and 350 K. Above about 100…”
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Homogeneous Aerosol Formation by the Chlorine Atom Initiated Oxidation of Toluene by Karlsson, Rune S, Szente, Joseph J, Ball, James C, Maricq, M. Matti

“…The photolysis of Cl2 molecules in the presence of toluene and oxygen, at levels of ∼1014 radicals/cm-3, initiates a sequence of chemical reactions that…”
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Impact of aggressive drive cycles on motor vehicle exhaust PM emissions by Maricq, Matti M., Szente, Joseph J., Harwell, Amy L., Loos, Michael J.

“…Aggressive drive cycles can cause substantial discrepancies between particulate matter (PM) measurement methods and increased emissions variability. Previous…”
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An experimental study of the mechanism and branching ratio for the reaction between methyl formate and chlorine atoms by Hansen, Jaron C, Francisco, Joseph S, Szente, Joseph J, Matti Maricq, M

“…FTIR spectroscopy/UV laser flash photolysis has been used to examine the reaction of chlorine atoms with methyl formate (CH 3OC(O)H) at 296 K. The reaction has…”
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Kinetics of the Reaction between Acetylperoxy and Ethylperoxy Radicals by Maricq, M. Matti, Szente, Joseph J

“…Time-resolved ultraviolet (UV) spectroscopy is used to investigate the reaction between CH3C(O)O2 and C2H5O2 at 130 Torr total pressure and over the 220−440-K…”
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Theoretical and Experimental Investigation of the UV Cross Section and Kinetics of the Methyl Formate Peroxy Radical by Hansen, Jaron C, Li, Yumin, Rosado-Reyes, Claudette M, Francisco, Joseph S, Szente, Joseph J, Maricq, M. Matti

“…Flash photolysis combined with UV time-resolved spectroscopy has been utilized to investigate the composite UV cross section for methyl formate peroxy…”
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The CH3C(O)O2 Radical. Its UV Spectrum, Self-Reaction Kinetics, and Reaction with CH3O2 by Maricq, M. Matti, Szente, Joseph J

“…The reactions of CH3C(O)O2 with itself and with CH3O2 are investigated using flash photolysis combined with time-resolved UV spectroscopy and transient…”
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A Kinetic Study of the Reaction between Ethylperoxy Radicals and HO2 by Maricq, M. Matti, Szente, Joseph J

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Reaction of Chlorine Atoms with Methylperoxy and Ethylperoxy Radicals by Maricq, M. Matti, Szente, Joseph J, Kaiser, E. W, Shi, Jichun

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The CF3C(O)O2 Radical. Its UV Spectrum, Self-Reaction Kinetics, and Reaction with NO by Maricq, M. Matti, Szente, Joseph J, Khitrov, Gregory A, Francisco, Joseph S

“…Flash photolysis combined with time-resolved UV spectroscopy and transient infrared absorption is used to investigate the reactions of CF3C(O)O2 with itself,…”
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The 193 and 248 nm Photodissociation of CF3C(O)Cl by Maricq, M. Matti, Szente, Joseph J

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Flash photolysis-time-resolved UV spectroscopy of the 1,2,2,2-tetrafluoroethylperoxy radical self-reaction by Maricq, M. Matti, Szente, Joseph J

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